flipper-babel-transformer/lib/fb-stubs.js

Babel transformer for Flipper plugins

"use strict";
/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const path_1 = require("path");
const flipper_env_1 = __importDefault(require("./flipper-env"));
const fs_extra_1 = __importDefault(require("fs-extra"));
const isFBFile = (filePath) => filePath.includes(`${path_1.sep}fb${path_1.sep}`);
const requireFromFolder = (folder, path) => new RegExp(`${folder}/[\\w.-]+(.js)?$`, 'g').test(path);
const pathExistsCache = new Map();
function pathExistsSync(path) {
    const cachedResult = pathExistsCache.get(path);
    if (cachedResult !== undefined) {
        return cachedResult;
    }
    const result = fs_extra_1.default.pathExistsSync(path);
    pathExistsCache.set(path, result);
    return result;
}
module.exports = () => ({
    name: 'replace-fb-stubs',
    visitor: {
        CallExpression(path, state) {
            if (flipper_env_1.default.FLIPPER_FORCE_PUBLIC_BUILD !== 'true' &&
                path.node.type === 'CallExpression' &&
                path.node.callee.type === 'Identifier' &&
                path.node.callee.name === 'require' &&
                path.node.arguments.length > 0 &&
                path.node.arguments[0].type === 'StringLiteral') {
                if (requireFromFolder('fb', path.node.arguments[0].value) &&
                    !isFBFile(state.file.opts.filename)) {
                    throw new Error('For files which are not under fb/ do not require directly from fb/, but rather from fb-stubs/ to not break typescript-typing and make sure stubs are up-to-date.');
                }
                else if (requireFromFolder('fb-stubs', path.node.arguments[0].value)) {
                    const fbPath = path.node.arguments[0].value.replace('/fb-stubs/', '/fb/');
                    if (flipper_env_1.default.FLIPPER_FB ||
                        pathExistsSync((0, path_1.resolve)((0, path_1.dirname)(state.file.opts.filename), fbPath.substr(0, fbPath.indexOf('/fb/') + 4)))) {
                        path.node.arguments[0].value = fbPath;
                    }
                }
            }
        },
    },
});
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